Discussion :: Physics
- The base of an electric iron is brightly polished mainly
|
A.
To make it smooth and frictionless |
|
B.
To make it rust-proof |
|
C.
To reduce heat loss by radiation |
|
D.
To make it more durable |
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Answer : Option C
Explanation :
Polished surfaces are poor radiators of heat. So loss of heat on that account is reduced and the electric iron remains hotter than otherwise.
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